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 产生长度为1000的标准正太分布的随机信号，画出时域波形及频谱；  采用u=255的非均匀PCM编码，每符号为8bit，画输入-输出关系图；  计算信号量化噪声比（SQNR）；  信道误码率为10-3；  解码，并画出u律反变换后的信号时域波形及频谱。 扩展要求：  采用均匀PCM、量化级数可变、信道误码率可变。 ( have a standard length of 1000 is too random signal distribution, draw time-domain waveform and frequency spectrum  u = 255 using the non-uniform PCM encoding, each symbol for 8bit, drawing input- output relationship diagram  calculated quantization noise signal than (SQNR)  channel bit error rate of 10-3  decoder, and law to draw u the signal after the inverse transform time-domain waveform and frequency spectrum. Expansion of the requirements:  uniform PCM, quantization level variable, a variable channel bit error rate.)

经典的压缩感知算法程序，对初学者具有指导意义(Classic compressed sensing algorithm program)

duffing方程非线性系统的分析，matlab代码，包括其李雅普诺夫指数求解，相图，混沌等分析，值得学习(duffing equation analysis of nonlinear systems, including its Lyapunov exponent solving the phase diagram, chaos analysis, it is worth learning)

A set of C++ and Matlab routines implementing the surfacelet transform

数字信号处理与应用，包含是与特征值的求取(Digital signal processing and applications，including characteristic value and the calculating )

Simple tcl code for start up in NS_@ simulation

进行时域分析的好程序，刚和师兄编的，仅供参考(Good time domain analysis procedures, and senior compiled just for reference only)

粒子滤波算法实现的matlab源代码，并配有相应的说明文档，对于原理到代码的实现过程学习具有很好的作用。(Particle filter algorithm matlab source code, and with the corresponding documentation, for the principle to the code to achieve the learning process has very good effect. )

小波分析理论与应用，用matlab7实现(Wavelet analysis theory and application, with matlab7)

说明：  sift算法在matlab代码。对学习sift算法有很大帮助(sift algorithm in matlab code. Sift algorithm for learning a great help)